diff options
| author |   Mateusz Guzik <mjguzik@gmail.com> | 2024-07-15 09:13:24 +0200 |
|---|---|---|
| committer |   Christian Brauner <brauner@kernel.org> | 2024-08-30 08:22:36 +0200 |
| commit | 122381a46954ad592ee93d7da2bef5074b396247 (patch) | |
| tree | cb3e4f63bcda69c2dcfda20bc438c1828ffb097f /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | fs: move FMODE_UNSIGNED_OFFSET to fop_flags (diff) | |
| download | wireguard-linux-122381a46954ad592ee93d7da2bef5074b396247.tar.xz wireguard-linux-122381a46954ad592ee93d7da2bef5074b396247.zip | |
vfs: use RCU in ilookup
A soft lockup in ilookup was reported when stress-testing a 512-way
system [1] (see [2] for full context) and it was verified that not
taking the lock shifts issues back to mm.
[1] https://lore.kernel.org/linux-mm/56865e57-c250-44da-9713-cf1404595bcc@amd.com/
[2] https://lore.kernel.org/linux-mm/d2841226-e27b-4d3d-a578-63587a3aa4f3@amd.com/
Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Link: https://lore.kernel.org/r/20240715071324.265879-1-mjguzik@gmail.com
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions